Emma Frankham (DIME Writes Lead and Technical Writer, DIME, World Bank), Jonas L. Heirman (Senior Evaluation Officer, World Food Programme), Marcus Holmlund (Senior Economist and Research Program Manager, DIME World Bank), Patrick Premand (Senior Economist, DIME), Jennifer Waidler (Evaluation Officer, World Food Programme) with inputs from colleagues in the Climate & Resilience Window — It is commonly thought that a shock affecting agricultural production will translate into food insecurity a few months later — during the next lean season. However, high-frequency data from the Sahel shows that food security can drop much earlier, raising questions on how best to strengthen households’ capacities to absorb shocks.